DeepSource SAST vs SonarSource SonarQube: Side-by-Side Comparison (2026)

DeepSource SAST

Startups and early-stage scaleups shipping fast will get the most from DeepSource SAST because it catches security flaws in your pull requests before they reach production, without slowing your CI/CD pipeline; the five-minute GitHub/GitLab integration and per-commit scanning mean you're finding vulnerabilities hours instead of weeks after code lands. The tool runs thousands of checks per scan and addresses both the Identify and Protect functions of NIST CSF 2.0, covering risk assessment and platform hardening in one pass. Skip this if you need post-deployment runtime detection or threat hunting; DeepSource stops at the gate and doesn't follow vulnerabilities into staging or production environments.

SonarSource SonarQube

Development teams shipping code through CI/CD pipelines need SonarQube for its taint analysis, which catches injection vulnerabilities that traditional SAST misses by tracking data flow end-to-end across 35+ languages. The AI CodeFix feature actually reduces remediation time by suggesting context-aware fixes inline, and SOC 2 Type II certification covers the compliance box for most mid-market buyers. Skip this if your priority is runtime detection or if you need secrets scanning as your primary control; SonarQube finds exposed credentials but treats it as a secondary scanner rather than the core value prop.